US1908341A - Transparent sheet - Google Patents

Transparent sheet Download PDF

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Publication number
US1908341A
US1908341A US37395129A US1908341A US 1908341 A US1908341 A US 1908341A US 37395129 A US37395129 A US 37395129A US 1908341 A US1908341 A US 1908341A
Authority
US
United States
Prior art keywords
sheet
transparent sheet
base
solution
transparent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
Inventor
Gentile Marino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGE PICK
HERBERT P SHERWOOD
SAMUEL W WEIS
Original Assignee
GEORGE PICK
HERBERT P SHERWOOD
SAMUEL W WEIS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEORGE PICK, HERBERT P SHERWOOD, SAMUEL W WEIS filed Critical GEORGE PICK
Priority to US37395129 priority Critical patent/US1908341A/en
Application granted granted Critical
Publication of US1908341A publication Critical patent/US1908341A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/26—Agents rendering paper transparent or translucent
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • D21H17/27—Esters thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31982—Wood or paper

Definitions

  • This invention relates to transparent sheets, films or containers such as are extensively used for wrapping or containing 7 food and other products in sanitary display packages, for providing windows 1n window envelopes, and for various other purposes and apphcations.
  • the main object of the invention is to provide a sheet, fihn or container for such purposes as those above indicated that can be made at a very low cost, shall be highly'transparent, shall possess the strength, durability, and general efliciency of more expensive articles employed for the same purposes, and'sufliciently moisture and grease proof to be practical.
  • I- take a sheet of thin'paper as the base, preferably a soft, absorbent tissue, and this sheet I treat with a solution of cellulose nitrate dissolved in a suitable solvent such as ethyl acetate or amyl acetate, sufiicient in amount to yield a suitable flowing solution.
  • a suitable solvent such as ethyl acetate or amyl acetate
  • sufiicient in amount to yield a suitable flowing solution.
  • a suitable solvent such as ethyl acetate or amyl acetate
  • a non-hygroscopic material which causes the treating solutlon to penetrate the paper base, and also renders the product soft and pliable when dry.
  • Materials which satisfactorily serve these purposes are castor oil and tri cresyl phosphate but other materials 1929. Serial No. 373,951.
  • he treating solution can be applied to the aper base in an suitable manner, as by pping the base sheetin, or drawing it through a body of the treating solution, or
  • the solution thoroughly penetrates and impregnates the fibrous structure of the base, and the latter is then dried.
  • the residual product is a tough, flexible sheet highly transparent rendering completely visible obects covered thereby, non-porous and impervlous to dust, grease and moisture, and thus well adapted to serve the purpose of a sanitary wrapper or container especially for food products, pharmaceutical products, and the like, and low in cost of materials and manufacture.

Landscapes

  • Wrappers (AREA)

Description

Patented May 9, 19
UNITED STATES PATENT OFFICE MABINO GEN'T'ILE, OF CHICAGO, ILLINOIS, ASSIGNOB, BY DIRECT AND MESNE ASSIGN- IEN'I'S, OF ONE-HALF TO SAMUEL W. WEIS, ONE-FOURTH TO GEORGE PICK, AND ONE-TWENTIETH TO HERBERT I. SHERWOOD, ALL OF CHICAGO, ILLINOIS maansrnnnnm SHEET No Drawing. Application filed June 26,
This invention relates to transparent sheets, films or containers such as are extensively used for wrapping or containing 7 food and other products in sanitary display packages, for providing windows 1n window envelopes, and for various other purposes and apphcations. The main object of the invention is to provide a sheet, fihn or container for such purposes as those above indicated that can be made at a very low cost, shall be highly'transparent, shall possess the strength, durability, and general efliciency of more expensive articles employed for the same purposes, and'sufliciently moisture and grease proof to be practical.
In carrying out my present inventionv I- take a sheet of thin'paper as the base, preferably a soft, absorbent tissue, and this sheet I treat with a solution of cellulose nitrate dissolved in a suitable solvent such as ethyl acetate or amyl acetate, sufiicient in amount to yield a suitable flowing solution. To this cellulose nitrate solution is then added a non-hygroscopic material which causes the treating solutlon to penetrate the paper base, and also renders the product soft and pliable when dry. Materials which satisfactorily serve these purposesare castor oil and tri cresyl phosphate but other materials 1929. Serial No. 373,951.
chiefly as embodied in sheet form, I do not limit it to such form but include within the spirit and purview of the claim molded or I paper base. 7
. MARINO GENTILE.
possessing similar functional characteristics ma be employed. a
he treating solution can be applied to the aper base in an suitable manner, as by pping the base sheetin, or drawing it through a body of the treating solution, or
by flowing the latter over, or brushmg,
spraying or printing it on, the base sheet. The solution thoroughly penetrates and impregnates the fibrous structure of the base, and the latter is then dried. The residual product is a tough, flexible sheet highly transparent rendering completely visible obects covered thereby, non-porous and impervlous to dust, grease and moisture, and thus well adapted to serve the purpose of a sanitary wrapper or container especially for food products, pharmaceutical products, and the like, and low in cost of materials and manufacture.
While I have described the invention
US37395129 1929-06-26 1929-06-26 Transparent sheet Expired - Lifetime US1908341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US37395129 US1908341A (en) 1929-06-26 1929-06-26 Transparent sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37395129 US1908341A (en) 1929-06-26 1929-06-26 Transparent sheet

Publications (1)

Publication Number Publication Date
US1908341A true US1908341A (en) 1933-05-09

Family

ID=23474593

Family Applications (1)

Application Number Title Priority Date Filing Date
US37395129 Expired - Lifetime US1908341A (en) 1929-06-26 1929-06-26 Transparent sheet

Country Status (1)

Country Link
US (1) US1908341A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759853A (en) * 1951-08-03 1956-08-21 Hercules Powder Co Ltd Process for making coated paper
US4526847A (en) * 1983-04-15 1985-07-02 Weber Marking Systems, Inc. Image receiving transparency and method of making
EP2340329A1 (en) * 2008-10-20 2011-07-06 Teknologian Tutkimuskeskus VTT Modified fibrous product and method of producing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2759853A (en) * 1951-08-03 1956-08-21 Hercules Powder Co Ltd Process for making coated paper
US4526847A (en) * 1983-04-15 1985-07-02 Weber Marking Systems, Inc. Image receiving transparency and method of making
EP2340329A1 (en) * 2008-10-20 2011-07-06 Teknologian Tutkimuskeskus VTT Modified fibrous product and method of producing the same
EP2340329A4 (en) * 2008-10-20 2013-09-11 Teknologian Tutkimuskeskus Vtt Oy Modified fibrous product and method of producing the same

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